TLS Online TPP Program

#Question id: 1428


Which of the fundamental properties of cancer cells are likely to be lacking in leukemias?

#Unit 4. Cell Communication and Cell Signaling
  1. do not proliferate as individual cells in the blood

  2. do not need to promote angiogenesis

  3. do not need to escape their tissue of origin and metastasize

  4. do not promote cell migration

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TLS Online TPP Program

#Question id: 19886

#Unit 13. Methods in Biology

Gene cloning refers to the
I) Production of large number of copies of the gene being cloned
II) Production of asexual progeny from a single individual or a cell 
III) Mechanism of intake of DNA fragments from the surrounding medium by a cell

TLS Online TPP Program

#Question id: 19887

#Unit 13. Methods in Biology

Paul Berg’s gene splicing experiment created the first rDNA molecules which was a

TLS Online TPP Program

#Question id: 19888

#Unit 13. Methods in Biology

There are some typical enzyme used in the manipulation of nucleic acid;

                 

                 ENZYMES

 

USE IN NUCLEIC ACID MANIPULATION

 

A) klenow

 

i) DNA-dependent RNA polymerase

 

B) T4 DNA polymerase

 

ii) Single-strand specific nuclease

 

C) Taq DNA polymerase

 

iii) DNA pol I lacks 5’→ 3’ exonuclease activity

 

D) T7 RNA polymerase

 

iv) Thermostable DNA polymerase used in PCR

 

E) S1 nuclease

 

v) Lack  5’→ 3’ exonuclease activity

TLS Online TPP Program

#Question id: 19889

#Unit 12. Applied Biology

The genetic monitoring and disease diagnosis are examples for ______________________ sensor?

TLS Online TPP Program

#Question id: 19890

#Unit 12. Applied Biology

QCM is a kind of a piezoelectric biosensor which detects mass change. What is the standard form of QCM biosensor ?

TLS Online TPP Program

#Question id: 19891

#Unit 12. Applied Biology

Which one of the following sensors uses light?